CS MK III cabling issues

CU_AMiGA · 23 April 2007, 01:59

Quote:

Originally Posted by AMIGAZ

This is the exact brand/model I'm using

http://cgi.ebay.com/Brand-New-Adapte...QQcmdZViewItem

It's very flexible and easy to route and has built in active terminators at each end which you need with a CS MKIII or CS PPC

Hi can someone please link me to an item similar to above. i plan on connecting a scsi cdrw drive. one more question, if i connected a scsi hard drive, would this be recognised at boot up? if so then i will move to scsi hard drive too. many thanks

edit: do amigakit sell anything similar to the ebay item above?

CU_AMiGA · 24 April 2007, 20:57

Hi

I had a quick look on ebay. Are these okay? would the SCSI hard drive be recognised on bootup?

http://cgi.ebay.co.uk/ADAPTEC-68-Pin...QQcmdZViewItem

http://cgi.ebay.co.uk/Yellow-SCSI-68...QQcmdZViewItem

http://cgi.ebay.co.uk/Foxconn-68-Pin...QQcmdZViewItem

http://cgi.ebay.co.uk/FOXCONN-3-DROP...QQcmdZViewItem

Jope · 24 April 2007, 22:47

Please give us more info.. What SCSI controller etc..

Usually Amiga SCSI controllers are autoconfiguring and autobooting, so you can just plug the drive into your SCSI bus, make partitions and format it.

CU_AMiGA · 24 April 2007, 23:02

The SCSI connector on my CSMK3!

Jope · 25 April 2007, 06:56

All the cables you found are suitable for use with the CSMK3.

Normal hd partitioning and formatting instructions apply. csppc.device or cybscsi.device, can't remember which. :-)

Oh and from the manual:

Quote:

The CYBERSTORM MKIII SCSI controller doesn't have an own active termination, as there are too many possible custom configurations. The termination will be done either with SCSI devices at the end of the chain, or – in case only one SCSI device is connected to the SCSI bus – with an additional active terminator.

Make sure you terminate properly.

CU_AMiGA · 25 April 2007, 15:55

Hi

Thanks for that. just 2 more questions:

1 if i use a scsi hd instead of the normal a4000 ide one would this scsi hd be recognised on bootup?

2 is it possible to use a scsi hd more than 4gb without the aid of a hack?

Jope · 25 April 2007, 17:00

Quote:

Originally Posted by CU_AMiGA

Hi

Thanks for that. just 2 more questions:

1 if i use a scsi hd instead of the normal a4000 ide one would this scsi hd be recognised on bootup?

Naturally.. You own the fastest and best scsi controller ever made for any Amiga, it better be able to autoboot. :-D

Once you have your SCSI disk configured and boot from it, you will realise why no-one uses IDE. [1]

Quote:

2 is it possible to use a scsi hd more than 4gb without the aid of a hack?

Yes, just use a td64 compatible filesystem, such as sfs or pfs3. Any size partitions, any size disks.

--
[1] I realise many people indeed still use IDE, but they obviously haven't used an Amiga with SCSI.

CU_AMiGA · 25 April 2007, 21:30

Right so when you talk about terminator you are talking about:

http://cgi.ebay.co.uk/U320-LVD-SE-SC...QQcmdZViewItem

Is there anyway to get the cable and terminator from a computer specialist site (rather than ebay)?

Jope · 26 April 2007, 06:55

These are very generic parts. At least here in Finland I can go to a computer store and buy them, or I can go to an online computer store and order them without thinking about it too much.

Ebay will probably be cheaper, though. SCSI stuff has always been a bit expensive when bought new.

Zetr0 · 26 April 2007, 11:14

@CU_AMIGA
just make sure you get an ACTIVE terminator and not a passive one.

if you are unsure just query the seller on ebay.

CU_AMiGA · 26 April 2007, 11:53

ok thanks!

Jope · 26 April 2007, 21:17

Are there passive 68pin terminators? I didn't know they existed. :-)

Some random unattributed quote: "An LVD terminator is an active terminator by definition."

darksun9210 · 27 April 2007, 19:28

passive 68pin terminators do exist... just usually a black box crimped on the end of the scsi ribbon cable. if you have one or two devices and a short span of cable this shouldn't be a problem, however, you might find that your transfer rates might not be what they should.

i always terminate on the device, as they should have active termination by default.
But be carefull, a narrow scsi (50pin) device (like a CDrom) plugged into a 68pin cable, at the end of the chain, won't terminate the upper 8 data lines. if you can't fit another hard disk on there, then you'll need something to terminate the bus fully.

CU_AMiGA · 30 April 2007, 13:52

anyone know whether this terminator is active or passive? the seller doesn't know!

http://cgi.ebay.co.uk/ws/eBayISAPI.d...DME:B:AAQ:UK:1

26 April 2007, 21:17	#12
Jope - Join Date: Jul 2003 Location: Helsinki / Finland Age: 43 Posts: 9,885	Are there passive 68pin terminators? I didn't know they existed. :-) Some random unattributed quote: "An LVD terminator is an active terminator by definition." Last edited by Jope; 26 April 2007 at 21:38.

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24 April 2007, 20:57	#2
CU_AMiGA Banned Join Date: Dec 2003 Location: Exeter Age: 39 Posts: 970	Hi I had a quick look on ebay. Are these okay? would the SCSI hard drive be recognised on bootup? http://cgi.ebay.co.uk/ADAPTEC-68-Pin...QQcmdZViewItem http://cgi.ebay.co.uk/Yellow-SCSI-68...QQcmdZViewItem http://cgi.ebay.co.uk/Foxconn-68-Pin...QQcmdZViewItem http://cgi.ebay.co.uk/FOXCONN-3-DROP...QQcmdZViewItem

24 April 2007, 22:47	#3
Jope - Join Date: Jul 2003 Location: Helsinki / Finland Age: 43 Posts: 9,885	Please give us more info.. What SCSI controller etc.. Usually Amiga SCSI controllers are autoconfiguring and autobooting, so you can just plug the drive into your SCSI bus, make partitions and format it.

24 April 2007, 23:02	#4
CU_AMiGA Banned Join Date: Dec 2003 Location: Exeter Age: 39 Posts: 970	The SCSI connector on my CSMK3!

25 April 2007, 15:55	#6
CU_AMiGA Banned Join Date: Dec 2003 Location: Exeter Age: 39 Posts: 970	Hi Thanks for that. just 2 more questions: 1 if i use a scsi hd instead of the normal a4000 ide one would this scsi hd be recognised on bootup? 2 is it possible to use a scsi hd more than 4gb without the aid of a hack?

25 April 2007, 21:30	#8
CU_AMiGA Banned Join Date: Dec 2003 Location: Exeter Age: 39 Posts: 970	Right so when you talk about terminator you are talking about: http://cgi.ebay.co.uk/U320-LVD-SE-SC...QQcmdZViewItem Is there anyway to get the cable and terminator from a computer specialist site (rather than ebay)?

26 April 2007, 06:55	#9
Jope - Join Date: Jul 2003 Location: Helsinki / Finland Age: 43 Posts: 9,885	These are very generic parts. At least here in Finland I can go to a computer store and buy them, or I can go to an online computer store and order them without thinking about it too much. Ebay will probably be cheaper, though. SCSI stuff has always been a bit expensive when bought new.

26 April 2007, 11:14	#10
Zetr0 Ya' like it Retr0? Join Date: Jul 2005 Location: United Kingdom Age: 49 Posts: 9,768	@CU_AMIGA just make sure you get an ACTIVE terminator and not a passive one. if you are unsure just query the seller on ebay.

26 April 2007, 11:53	#11
CU_AMiGA Banned Join Date: Dec 2003 Location: Exeter Age: 39 Posts: 970	ok thanks!

27 April 2007, 19:28	#13
darksun9210 Because i can. Join Date: Apr 2007 Location: London Age: 46 Posts: 25	passive 68pin terminators do exist... just usually a black box crimped on the end of the scsi ribbon cable. if you have one or two devices and a short span of cable this shouldn't be a problem, however, you might find that your transfer rates might not be what they should. i always terminate on the device, as they should have active termination by default. But be carefull, a narrow scsi (50pin) device (like a CDrom) plugged into a 68pin cable, at the end of the chain, won't terminate the upper 8 data lines. if you can't fit another hard disk on there, then you'll need something to terminate the bus fully.

30 April 2007, 13:52	#14
CU_AMiGA Banned Join Date: Dec 2003 Location: Exeter Age: 39 Posts: 970	anyone know whether this terminator is active or passive? the seller doesn't know! http://cgi.ebay.co.uk/ws/eBayISAPI.d...DME:B:AAQ:UK:1

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